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Bone marrow aspirate of the patient presenting with neutropenia and carrying TERT mutations. The bone marrow smear (May-Grünwald-Giemsa) staining shows morphological abnormalities in erythroid lineage (cytoplasmic vacuolization, cytoplasmic bridges, pyknosis, incomplete hemoglobinization); myeloid dysplastic features (increased myeloblasts, neutrophil hypogranulation) and megakaryocytes dysplasia (hypolobulated megakaryocytes). Black arrows point to the main dysplastic features.
